Air and Space Museum

SmithsonianAir and Space

This undated handout photo provided by the National Air and Space Museum, Smithsonian Institution shows a Star Trek starship Enterprise studio model. The model of the fictional Starship Enterprise will go on display in the reimagined Boeing Milestones of Flight Hall. For the first time since its 1976 opening, the Smithsonian's National Air and Space Museum plans to overhaul its central exhibition showing the milestones of flight. The extensive renovation announced Thursday will be carried out over the next two years with portions of the exhibit closing temporarily over time, said Museum Director J.R. "Jack" Dailey. (AP Photo/Mark Avino, National Air and Space Museum, Smithsonian Institution )

Smithsonian Air and Space

This undated handout photo provided by the National Air and Space Museum, Smithsonian Institution shows The Milestones of Flight Gallery, the main hall of the Smithsonians National Air and Space Museum, in Washington. (AP Photo/Eric Long, National Air and Space Museum, Smithsonian Institution)

SmithsonianAir and Space

This undated artist rendering provided by the National Air and Space Museum, Smithsonian Institution shows changes to Milestones of Flight Hall at the National Air and Space Museum in Washington. For the first time since its 1976 opening, the Smithsonian's National Air and Space Museum plans to overhaul its central exhibition showing the milestones of flight. The extensive renovation announced Thursday will be carried out over the next two years with portions of the exhibit closing temporarily over time, said Museum Director J.R. "Jack" Dailey. (AP Photo/National Air and Space Museum, Smithsonian Institution)

Smithsonian Air and Space

This undated handout photo provided by the National Air and Space Museum, Smithsonian Institution shows The Spirit of St. Louis which will be one of the premier artifacts in the Boeing Milestones of Flight Hall. For the first time since its 1976 opening, the Smithsonian's National Air and Space Museum plans to overhaul its central exhibition showing the milestones of flight. The extensive renovation announced Thursday will be carried out over the next two years with portions of the exhibit closing temporarily over time, said Museum Director J.R. "Jack" Dailey. (AP Photo/Eric Long, National Air and Space Museum, Smithsonian Institution)

SmithsonianAir and Space

This undated handout photo provided by the National Air and Space Museum, Smithsonian Institution shows the Apollo Lunar Module number 2, currently on display in the Lunar Exploration Vehicles gallery in the National Air and Space Museum in Washington. Some of the most iconic artifacts of aviation and space history are getting an updated display for the 21st century, with the Apollo moon landing as the centerpiece. For the first time since its 1976 opening, the Smithsonian's National Air and Space Museum plans to overhaul its central exhibition showing the milestones of flight. The extensive renovation announced Thursday will be carried out over the next two years with portions of the exhibit closing temporarily over time, said Museum Director J.R. "Jack" Dailey. (AP Photo/Eric Long, National Air and Space Museum, Smithsonian Institution)